diff --git a/.github/actions/install-k3s/action.yml b/.github/actions/install-k3s/action.yml
index bff3ae5..b408ef5 100644
--- a/.github/actions/install-k3s/action.yml
+++ b/.github/actions/install-k3s/action.yml
@@ -4,73 +4,33 @@ description: 'GitHub Action composite to install k3s'
 
 inputs:
   version:
-    description: 'k3s version. (e.g, v1.21.2-k3s1)'
+    description: 'k3s version. (e.g, v1.32.2+k3s1)'
     required: true
-    default: 'v1.21.2-k3s1'
+    default: 'v1.32.2+k3s1'
 
 runs:
   using: "composite"
   steps:
     -
       uses: actions/github-script@v7
-      with:
-        script: |
-            const fs = require('fs');
-
-            let wait = function(milliseconds) {
-              return new Promise((resolve, reject) => {
-                if (typeof(milliseconds) !== 'number') {
-                  throw new Error('milleseconds not a number');
-                }
-                setTimeout(() => resolve("done!"), milliseconds)
-              });
-            }
-
-            try {
-              const kubeconfig="${{ env.TEMPDIR }}/kubeconfig.yaml";
-              core.info(`storing kubeconfig in ${kubeconfig}`);
-
-              await exec.exec('docker', ["run", "-d",
-                "--privileged",
-                "--name=install-k3s-action",
-                "-e", "K3S_KUBECONFIG_OUTPUT="+kubeconfig,
-                "-e", "K3S_KUBECONFIG_MODE=666",
-                "-v", "${{ env.TEMPDIR }}:${{ env.TEMPDIR }}",
-                "-p", "6443:6443",
-                "-p", "80:80",
-                "-p", "443:443",
-                "-p", "8080:8080",
-                "rancher/k3s:${{ inputs.version }}",
-                "server"
-              ]);
-              await wait(10000);
-
-              core.exportVariable('KUBECONFIG', kubeconfig);
-
-              let nodeName;
-              for (let count = 1; count <= ${{ env.RETRIES }}; count++) {
-                try {
-                  const nodeNameOutput = await exec.getExecOutput("kubectl get nodes --no-headers -oname");
-                  nodeName = nodeNameOutput.stdout
-                } catch (error) {
-                  core.info(`Unable to resolve node name (${error.message}). Attempt ${count} of ${{ env.RETRIES }}.`)
-                } finally {
-                  if (nodeName) {
-                    break;
-                  }
-                  await wait(5000);
-                }
-              }
-              if (!nodeName) {
-                await exec.exec(`yq ${kubeconfig}`);
-                throw new Error(`Unable to resolve node name after ${{ env.RETRIES }} attempts.`);
-              }
-
-              await exec.exec(`kubectl wait --for=condition=Ready ${nodeName}`);
-              await exec.exec(`yq ${kubeconfig}`);
-            } catch (error) {
-              core.setFailed(error.message);
-            }
       env:
-        TEMPDIR: /tmp/install-k3s-action
         RETRIES: '10'
+      with:
+        script: |
+          const fs = require('fs');
+          const os = require('os');
+          const path = require('path');
+
+          const tmpDir = fs.mkdtempSync(path.join(`${{ runner.temp }}` || os.tmpdir(), 'install-k3s-'));
+          const kubeconfig = `${tmpDir}/kubeconfig.yaml`;
+          core.info(`Storing kubeconfig in ${kubeconfig}`);
+
+          await exec.exec('sh', ['-c', 'curl -sfL https://get.k3s.io | sh -'], {
+            env: Object.assign({}, process.env, {
+              INSTALL_K3S_VERSION: '${{ inputs.version }}',
+              INSTALL_K3S_EXEC: `--disable traefik --disable metrics-server --write-kubeconfig-mode 666 --write-kubeconfig ${kubeconfig}`,
+            })
+          });
+
+          core.exportVariable('KUBECONFIG', kubeconfig);
+          await exec.exec(`yq ${kubeconfig}`);
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 61a1aa0..1926b38 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -86,7 +86,13 @@ jobs:
           jq . buildx-releases-pin.json
 
   install-k3s:
-    runs-on: ubuntu-20.04
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-22.04
+          - ubuntu-24.04
     steps:
       -
         name: Checkout
@@ -94,8 +100,13 @@ jobs:
       -
         name: Install k3s
         uses: ./.github/actions/install-k3s
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
         with:
-          version: v1.21.2-k3s1
+          driver: kubernetes
+          driver-opts: qemu.install=true
+          buildkitd-flags: --debug
 
   list-commits:
     uses: ./.github/workflows/list-commits.yml
diff --git a/README.md b/README.md
index c615741..79cde42 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       -
         name: Test
         run: |
@@ -117,18 +117,13 @@ on:
 
 jobs:
   install-k3s:
-    # does not work with ubuntu-22.04 atm:
-    # E0310 17:16:57.210215    2047 memcache.go:238] couldn't get current server API group list: Get "https://127.0.0.1:6443/api?timeout=32s": dial tcp 127.0.0.1:6443: connect: connection refused
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v3
       -
         name: Install k3s
         uses: crazy-max/.github/.github/actions/install-k3s@main
         with:
-          version: v1.21.2-k3s1
+          version: v1.32.2+k3s1
 ```
 
 ## Reusable workflows
@@ -163,7 +158,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ matrix.commit }}
 ```